78864478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{26953}}^1$

素因数の和:26992

約数の個数: 32

約数和(自身を含む): 155255040

約数和(自身を除く): 76390562

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 209, 266, 418, 1463, 2926, 26953, 53906, 188671, 296483, 377342, 512107, 592966, 1024214, 2075381, 3584749, 4150762, 5633177, 7169498, 11266354, 39432239, 78864478]

約数ペア:

[(1, 78864478), (2, 39432239), (7, 11266354), (11, 7169498), (14, 5633177), (19, 4150762), (22, 3584749), (38, 2075381), (77, 1024214), (133, 592966), (154, 512107), (209, 377342), (266, 296483), (418, 188671), (1463, 53906), (2926, 26953)]